MAPLE SUGARING TOURS. Saturday, March 15, and Sunday, March, 16, 10 a.m., 12:30 and 2:30 p.m., at Ipswich River Wildlife Sanctuary, 87 Perkins Row, Topsfield. Learn how to identify a sugar maple tree, observe tapping and sap collection methods, discover how sap becomes syrup in the sugar house, and get a sweet taste of the final product. After the tour, warm up by the wood stove in the barn. One-hour, naturalist-guided tours run rain or shine; dress warmly. Mass Audubon members, $8/adult, $7/child; nonmembers, $9/adult, $8/child. Children under 3 are admitted for free and should be in a backpack. Advance registration required at 978-887-9264. Visit www.massaudubon.org/ipswichriver for details.
OWL PROWL FOR FAMILIES. Friday, March 14, 7 to 9 p.m., Ipswich River Wildlife Sanctuary, 87 Perkins Row, Topsfield. Join sanctuary field teacher Angela Walsh and teacher-naturalist Scott Santino for a night hike to look and listen for barred and great horned owls, and eastern screech-owls. Prior to the hike, learn owl facts through hands-on activities and a slideshow in the barn. Program ends with an owl hooting lesson. Members, $8 adult, $7 child; nonmembers, $10 adult, $8 child. Open to families with children ages 5 and up. Dress warmly. Meet in the barn. Preregistration required at 978-887-9264 or www.massaudubon.org/ipswichriver.
FULL MOON AND FOLKLORE HIKE. Sunday, March 16, 7 to 10 p.m., Crane Estate, 290 Argilla Road, Ipswich. Celebrate the Algonquin Worm Moon with a night hike through the dunes of the Crane Wildlife Refuge. Transformed and illuminated by the glow of the full moon, the dunes are an eerily beautiful landscape. Attendees have a chance to hear the howls of coyotes. At the end of the walk, warm up with hot cider around a bonfire. Part of new, year-round Crane Outdoor Adventures Program. $15/Trustees members, $20/nonmembers. Program suitable for ages 13 and older. Details and reservations at www.thetrurstees.org/castlehill or 978-356-4351, ext. 4052.